a = 1
b = 0.2
c = "feng"
print("a 's type is:", type(a))
print("b 's type is:", type(b))
print("c 's type is:", type(c))

# %格式化输出
print("Information:%d-%.3f-%s" % (a, b, c))

# format格式化输出
print("Information:{} {} {}".format(a, b, c))